feat: move main implementation of getGraph() on StateGraph

    work on #24

Author: bsorrentino

core-jdk8/src/main/java/org/bsc/langgraph4j/StateGraph.java

@@ -308,4 +308,34 @@ public CompiledGraph<State> compile() throws GraphStateException {
         return compile(CompileConfig.builder().build());
     }
 
+    /**
+     * Generates a drawable graph representation of the state graph.
+     *
+     * @param type the type of graph representation to generate
+     * @param title the title of the graph
+     * @param printConditionalEdges whether to print conditional edges
+     * @return a diagram code of the state graph
+     */
+    public GraphRepresentation getGraph( GraphRepresentation.Type type, String title, boolean printConditionalEdges ) {
+
+        String content = type.generator.generate( this, title, printConditionalEdges);
+
+        return new GraphRepresentation( type, content );
+    }
+
+    /**
+     * Generates a drawable graph representation of the state graph.
+     *
+     * @param type the type of graph representation to generate
+     * @param title the title of the graph
+     * @return a diagram code of the state graph
+     */
+    public GraphRepresentation getGraph( GraphRepresentation.Type type, String title ) {
+
+        String content = type.generator.generate( this, title, true);
+
+        return new GraphRepresentation( type, content );
+    }
+
+
 }